Senior IS Systems Administrator

Modern Technology Solutions Inc•Beavercreek, OH

1d•Onsite

About The Position

The Senior Systems Administrator develops and maintains all systems, applications, security and network configurations. Responsible for installing new software releases, system upgrades, installing patches and resolving server and desktop related issues. Troubleshoots network performance issues and maintains a disaster recovery plan to include routine backup and recovery. Engineer solutions, research, and plans for adoption of new technologies to provide a competitive advantage to the company. Establishes practices, procedures, and concepts related to Information Technology as it relates to the organization. Administers Collateral, Special Access Program (SAP) and Sensitive Compartmented Information (SCI) information systems (IS). Handles system administration and cyber security such as antivirus maintenance and patching for Classified systems, as well as end-user system support for Unclassified systems. This is a dual-role position supporting both the Classified systems and Unclassified Enterprise.

Requirements

Classified system administration experience should include: Experience administering systems in a classified environment
Patching and Security hardening of classified systems
Basic knowledge of federal security requirements and mandates [e.g., RMF, Federal Information Processing Standards (FIPS), National Institute of Standards and Technology (NIST)]
Security hardening and Certification & Accreditation experience
Experience with classified networks/environments such as JWICS and SGN as well as secure communications devices including STE/VIPER phones and TACLANE Encryptors.
Strong Microsoft Windows background with some knowledge of UNIX/LINUX
Knowledge of various computer software applications, hardware platforms, networking components and LAN/WAN architecture
Experience installing, configuring, and troubleshooting Windows Operating Systems
Experience managing user and group permissions in Active Directory
Experience troubleshooting redirected folders and offline file synchronization issues
Experience building, monitoring, patching, configuring and troubleshooting Windows 2019/2022/2025 servers
Installation and configuration of hardware and software
Performance tuning and Troubleshooting
Account maintenance
Proficiency in the basic Microsoft Office (365 experience preferred)
Experience troubleshooting common networking issues on client systems
Strong knowledge of standard networking protocols such as TCP/IP, DHCP, DNS, and network hardware such as switches and routers
Experience working with business class server hardware; including hardware/firmware upgrades and troubleshooting
Experience with common network protocols and services (TCP/IP stack), such as DNS, SMTP, FTP, Telnet, SSH etc.
Experience with Storage management, such as partitioning local disks and/or SAN/NAS implementations
Experience with a major system deployment and management technology, such as Microsoft MDT/SCCM, or other
Experience in a fast-paced environment
Deep interest in learning and developing new skills
Excellent oral and written communication skills
Strong organizational skills and ability to manage multiple tasks concurrently
Excellent time management, scheduling, and organizational skills
Ability to work well independently as well as follow detailed instructions for completing tasks
Must be a team player and be able to work within all levels of a project team
Excellent Customer Service skills
Requires proactive problem solving and troubleshooting/diagnostic skills.
Ability to provide after-hours/on-call support for critical services
Ability to lift standard PC equipment and peripherals for the purpose of installation / moves / replacements / etc. Approximately 50 lbs.
Ability to work on multiple projects and tickets at the same time
Experience working in a corporate IT environment
Bachelor’s degree in computer science, Information Systems or related technical degree; or bachelor’s degree in non-related field accepted with adequate training and experience
Minimum of four (4) years of experience working in an IA-related field
Minimum of six (6) years of experience in System Administration
CompTIA Security+ certification or ISC2 CISSP
Current DoD Secret clearance with the ability to obtain a TOP SECRET/SCI clearance.
U.S. Citizenship is required for most MTSI positions.

Nice To Haves

One or more enterprise level certifications such as MCSA or MCP certification
CompTIA Network+

Responsibilities

Maintain customer-required Information Assurance (IA) certifications such as Security+ as required
Work with security personnel to identify and remediate findings
Schedule, perform, and maintain records of Operating System patching, application patching, system maintenance, antivirus updates, and software/hardware changes
Implement and maintain system backups as needed
Deploy and configure desktops/laptops, printers, networking devices, and software
Troubleshoot network hardware/software (routers, switches, etc.)
Install/upgrade operating systems and application software
Image systems with Microsoft Development Toolkit (MDT)
Diagnose Windows 11, Office 2019/2022/2024/365 and other application issues
Malware and virus removal/repair
Track and maintain computer assets using asset management tools
Provides analysis related to the design, development, and implementation of hardware and software solutions
Manage all aspects of Windows Active Directory infrastructure
Manage LINUX-based systems
Support secure communications equipment including STE/VIPER phones and TACLANE Encryptors.
Installation, configuration, and support of servers, enterprise storage and associated equipment, network and direct attached storage systems and associated equipment
Plan and coordinate system utilization, and perform growth analysis and capacity planning
Review current system and make technical/process recommendations for improving efficiency
Develop, implement, manage, and maintain security standards, procedures, and guidelines for multiple platforms
Develop scripts and automation to improve operations productivity
Deploy servers for new or existing projects; keep deployed systems current with OS, hardware and software patches and upgrades
Demonstrate professionalism in response to customer requests
Coordinate with customers to upgrade, retire or consolidate applications and server hardware as appropriate
Research and/or contact vendors regarding technical problems and solutions
Troubleshoot servers
Document systems deployments and configurations